Blade holder



Aug. 16, 1927.

H. J. GAlSMAN BLADE HOLDER Original Filed June 24.

4 INYENTOR Henry J G'a/sman ATTORNEY Patented Aug. 16,1927,

UNITED STATES HENRY J. GAISMAN, or new Yoax, N. Y., ASSIGNOB. 1 9

PATENT" OFFICE.

nu'ros raor PATENTS con BLADE Hot-DEB.

Application filed June 24, 1924, Serial No. 721,972. Renewed November17, 1926.

My invention relates to improvements in blade holders and isparticularly applicable for detachably retaining blades in safety razorsand blade stropping mechanism.

An object of my invention is toprovide a blade holder provided with oneor more projections adapted to cooperate with a corresponding opening oropenings in the interior of the blade between its marginal edges toretain the blade in the holder..

A particular feature of my invention is that a word or symbol, such as atrade-mark, may be outlined in the blade by means of apertures thereinand the said projection or projections on the holder may be arranged insuch a manner as to enter one or more of said apertures to retain holderfor shaving or stropping purposes. In the form of my inventionillustrated in the accompanying drawings the blade holder comprises, apair of hinged members adapted to receive a razor blade therebetween,means upon the holder to detachably retain its members in operativeposition against the blade, one of said members having the aforesaidprojection or projections to cooperate with the aforesaid aperture orapertures in the blade to retain the latter in shaving or stroppingposition between the said members.

A further feature of my invention is that the means that retain the,members of the holder together for use are provided with means inposition to cooperate with the blade for positioning 1t in the holderwhen the members of theholder are separated to receive the blade,which'last named means will release the blade when the retaining meansis in position to retain the members of the holder against the blade, 50that a blade that is not properly provided with apertures for thepreviously mentioned projections on the holder will not be retainedtherein for use.

My invention also comprises novel details of improvement that will bemore fully hereinafter set forth and then pointed out in the claims.

Reference is to be had to the accompanying drawings forming a parthereof, wherebodylng my invention; K

Fig. 2 is'a face view illustrating parts in position for use;

Fig. 3 is a face view the blade in the.

mounted Fig. 1 is a side view of a safety razor em:

illustrating the memthe plane of Fig. 9 indicates a reverse view of theblade as would be applied in such position agarnsta member of theholder.

Similar numerals of reference indicate correspondingflparts in theseveral views.

The blade holder comprises members or plates 1, 2 hinged or pivotedtogether in such a manner as to embrace the blade 3 and bear againstopposite sides thereof. One of said members is secured to a shaft 4, andis shown provided with spaced webs or ears 5 coiled 8'is a face view ofthe blade, and.v

around the shaft and may be secured thereto in any suitable way, as bydenting the webs into the shaft at 6, or by riveting the parts together.The member 2 is pivotally upon shaft 4 as by means of webs or ears 7coiled around the shaft so that said member may rotate with respect tothe shaft and. to'the member 1. The member 1 is provided with means forpositioning the blade upon the member and for clamping the memberstogether upon the blade, arranged as follows :an arm or latch 8 ispivotally supported upon member 1, as by means of respectin shown 0 set.at 1 said member, the member being to accommodate the arm upon themember 1, may have a portion overlying the arm or terfere with the.latter, as shown in Fig. 6. The arm or latch 8 is provided with jaws ora recessed portion at 8, near its free end, adapted to receive the edgesof members 1, 2 therebetween to retain said members clamped upon theblade, is indicated in Figs. 4 and 7. Jaws 8 are offset from the planeof the arm or latch 8 at the pivot 9 so as to receive the correspondinged es of the two members 1, 2 and the blade 3 tlierebetween, asindicated in Figs. 5 and 7. An arm or latch 8 is shown at opposite endsof -members 1, 2, near the inner portions of the latter, tocorrespondingly clamp and retain the end portions of said members.

The blade 3 is shown provided with rivet 9, so as to swing edgewiselatch so as not to inor latch 8 so that the blade 3, when resting whichare. adapted to be opposed by lugs or projections located'upon the innerportions of the arms or latches 8 to oppose the bladeprojections 3. Thearms or latches 8 are shown provided with stops 11 adapted to engage theadjacent edge of member 1 to limit the rotation of said arms relativelyto said member, whereby when the arms have been swung from the positionshown in Fig. 2 to the position shown in Fig. 3 the projections 10 willbe located in position to receive a corresponding recess 3 of the bladewith the adjacent projection 3 thereof opposed to the correspondingprojection 10.

When a blade is to be-inserted in the holder the arms or latches 8 aremoved to the position shown in Fig. 3, to release the members 1, 2; themember 2 is swung away from member 1, and a blade may be laid upon thelatter member in the position shown in Fig. 3, so that the projections10 will enter the recesses 3 and the projections 3 of the blade will bebehind the projections 10. When the blade is to be retained member 2 isswung upon the blade and the arms or latches 8 are moved inwardly sothat the jaws 8 will embrace or grip the members 1, 2 therebetween,whereupon the projections 10 are moved out of the recesses 3 and awayfrom cooperation with the projections 3 of the blade, as indicated inFig. 2. In such position of the parts theblade would be loose betweenthe members 1, '2, which is the operative position of the latter, and inorder to retain the blade between said members when clamped against theblade I provide the blade with apertures, indicated at 12, to receivecorresponding projections 13 extending inwardly from member 1., Theprojections 13 may be formed by embossing or pressing the metal ofmember 1, as indicated in Fig. 4. The apertures 12 of the blade areshown related in such a manner to one another as to produce adesignation, such as a word or symbol. In the example illustrated theword Valet is shown produced by means of the apertures 12 stamped in theblade, having different-parts of-the letters connected by intermediatematerial of the blade at 14, which serves to strengthen the blade at theapertures while the apertures 12 produce the appearance of the wordValet. Any other desired word or symbol 'may be stamped in the blade bymeans of the apertures 12. The arrangement of the apertures 12 is suchwith respect to projections 13 of member 1 that when the blade is laidupon said member certain of the apertures 12 of different letters willbe in sition to: receive certain projections 13,

' hereby when the members 1, 2 are'clamped upon the blade bymeans of theaws 8 the blade will be prevented from sliding from the holder and willbe retained in the desired position. As illustrated in Figs. 2 and 3,viewing the holder from the top, the word Valet stamped in the bladereads correctly. The relation of the apertures 12 in the blade to theprojections 13 of the holder member 1, however, is such that should theuser place the blade in the holder reversely, so that the word Valetreads backwards or from right to left, the appro- I priate apertures 12would nevertheless receive'the projections 13 to retain the blade in theholder, as illustrated in Fig. 9.

One of the features of my invention is that the projections 13 may beformed in holder member 1 at one period to engage certain of theapertures 12 of the blade, whereas at another period said projections 13may be located in member 1 in a position to receive any other oftheapertures 12 of the blade to retain the latter in the holder when themembers 1, 2 are clamped together against the blade. By means of thearrangement described, in case an unauthorized manufacturer of theblades should produce blades having apertures that correspond inlocation to the pro'ections 13 of member 1 that have been ma e by theoriginal manufacturer at one period, the latter manufacturer, byshifting the position of the projections 13 on member 1 at anotherperiod would preclude the use in the holder of such unauthorized blades,because the apertures would not register with the last named projections13 and the blade would not be retained in the holder because theprojections 10 of the arms or latches 8 do My improved blade holder isadaptedfor use in a safety razor, or in connectlon with blade stroppingmeans adapted to rock the blade back and forth for stropping purposeswhether such stropping means be incorporated in asafety razor or onlyvin a stropping machine. In the example illustrated in Fig. 1 I haveshown my improved holder in a safety razor provided with means forstropping the blade, such as the well known Auto Strop safety razor. Therazor frame 15 is provided with spaced uprights 15 in which the shaft 4is journaled to rock, a gear 16 on said shaft being in mesh with a gear17 secured to a roller or shaft 18 j ournaled between the uprights 15 ina well known way. A strop is adapted to pass between the roller or shaft.18 and base 19 of the frame so that when the frame is reciprocatedalong the strop blade holder will be rocked back a d forth by reason ofthe engagement of t e strop with the roller or shaft 18. Frame .15 isthe H shown provided with a guard 20 that is pivotally supported at 21(on opposite sides), to base 19, a projection 22 on the guard being inposition to be manually operated. to cause the stops 23 on the guard toengage the blade edge to retain the latter in shaving position and torelease the blade for stropping purposes and for replacement, of -.ablade in the blade holder. This case is the parent application ofdivisional application Serial No. 155,400, filed December 17, 1926.

Although I have shown two projections 13 on member 1 to engagecorresponding apertures 12 in the blade it will be understood that oneor more of .such projections may be provided on said member suitablylocated to engage the corresponding aperture or apertures in the blade.

Having now described my invention, what I claim is:

1. The combination of a blade having spaced apertures in the form of adesignation, with a holder having one or more pro jections complementalto one or more of said apertures to retain the blade from displacementonthe holder, and means to detachably retain the blade on the holder withsaid apertures and projections in cooperation.

2. The combination of a blade having spaced apertures in the form of adesignation and having a recess and a projection at each end, witha-holder having onecor more projections complemental to one or more ofsaid apertures to retain the blade from dis placement on the holder, andmeans to detachably retain the blade on the holder, the

holder being provided with movable projections cooperative with saidblade projections to retain the blade in the holder, means to move thesecond named projections out of relation with the blade projections, andmeans to clamp the blade in the holder.

3. A blade holder comprising members cooperative on opposite sides of ablade,

means to retain the members clamped upon the blade, the blade having oneor more openings and one of said members having a corresponding proection or projections, and movable means upon the holder cooperativewith the blade for positioning the latter upon the holder. said meansbeing out of cooperative relation to the blade when the members of theholder are clamped upon the latter.

a. A blade holder comprising members cooperative on opposite sides of ablade, movable projections on the holder adapted to cooperate with ablade for positioning it upon the holder and arranged to release theblade when it is clamped between the members, and means to retain theholder clamped upon the blade, the blade having one or more aperturesand the holder hav ing one or more complemental projections to coo eratewith the blade to retain it in the ho der when the first namedproject-ions release the blade.

Q 5. A blade holder comprising movable' members adapted to clamp a bladetherelation to the blade, and means to clamp the members on the bladewhen saidv projections release the blade, said blade having one or moreapertures within its edges, the holder having one or more projectionscomplemental to said apertures to cooperate therewith to retain theblade in the holder when the first named projections release the blade.

6. A blade holder comprising members movable relatively to one anotheradapted to receive a blade therebetween, arms pivotally carried by theholder and provided with projections adapted to cooperate with the bladefor positioning it in theiholder, said arms being provided with jaws toretain the members upon the blade, said projections being so located. asto release the blade when the jaws cooperate with said members, theblade being provided with one or more apertures and one of said mem bershaving one or more projections complemental to said apertures to retainthe blade upon the members when the first named projections release theblade.

7. A blade holder comprising members pivotally connected together, oneof said members having arms pivotally carried thereby, the correspondingends of said arms being provided with projections to po sition a bladein the holder, said arms be.- ing'provided with jaws to receive themembers to retain them clamped upon the blade, said projections being inposition to release the blade when the jaws clamp the members, the bladebeing provided with one ormore apertures and the holder having one ormore projections complemental to said apertures to retain the bladebetween the members when the first named projections release the blade.

8. A blade holder comprising members pivotally connected together, oneof said members having arms pivotally carried therebetween, said armshaving projections on one side of the pivots and having'jaws on theopposite side of the pivots to receive till the members to retain themupon a blade,

said projections being in position to cooperate with therblade for;positioning the latterhaving one or more projections c0mple-' 5 withrecesses at opposite ends and having projections adjacent to saidrecesses, with a holder having movable members to receive the bladetherebetween, one of said members having movable projections to entersaid recesses and cooperate with the blade' projections for positioningthe blade upon oneof "said members, means to clamp the members .upon theblade and move the second named projections outof engagement with theblade projections, the blade having one or more apertures and one ofsaid members having one or more projections comple-.

mental to said aperture or apertures to retain the blade between themembers when the second named projectionsrelease the blade. r

10. A blade for a safety razor having apertures in the form of adesignation to indicate the manufacture of the blade, said aperturesbeing so located with reference to projections from ablade holder asonly to receive projections that are complemental to certain of saidapertures.

HENRY J. GAISMAN.

